File xen.trc-ioreq_server_get_info.patch of Package xen

From: Olaf Hering <olaf@aepfle.de>
Date: Thu, 15 Jun 2023 08:43:09 +0000
Subject: trc ioreq_server_get_info

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
 xen/common/ioreq.c | 7 +++++++
 1 file changed, 7 insertions(+)

--- a/xen/common/ioreq.c
+++ b/xen/common/ioreq.c
@@ -905,61 +905,68 @@ static int ioreq_server_destroy(struct domain *d, ioservid_t id)
     rspin_unlock(&d->ioreq_server.lock);
 
     return rc;
 }
 
 static int ioreq_server_get_info(struct domain *d, ioservid_t id,
                                  unsigned long *ioreq_gfn,
                                  unsigned long *bufioreq_gfn,
                                  evtchn_port_t *bufioreq_port)
 {
     struct ioreq_server *s;
     int rc;
+    trc_ioreq_server_get_info_t trc = {
+        .d = d->domain_id,
+        .id = id,
+    };
 
     rspin_lock(&d->ioreq_server.lock);
 
     s = get_ioreq_server(d, id);
 
     rc = -ENOENT;
     if ( !s )
         goto out;
 
     rc = -EPERM;
     if ( s->emulator != current->domain )
         goto out;
 
     if ( ioreq_gfn || bufioreq_gfn )
     {
         rc = arch_ioreq_server_map_pages(s);
         if ( rc )
             goto out;
     }
 
     if ( ioreq_gfn )
+        trc.gfn =
         *ioreq_gfn = gfn_x(s->ioreq.gfn);
 
     if ( HANDLE_BUFIOREQ(s) )
     {
         if ( bufioreq_gfn )
             *bufioreq_gfn = gfn_x(s->bufioreq.gfn);
 
         if ( bufioreq_port )
             *bufioreq_port = s->bufioreq_evtchn;
     }
 
     rc = 0;
 
  out:
     rspin_unlock(&d->ioreq_server.lock);
 
+    trc.s = TRC_ePTR(s);
+    TRACE_trc(TRC_IOREQ_ioreq_server_get_info);
     return rc;
 }
 
 int ioreq_server_get_frame(struct domain *d, ioservid_t id,
                            unsigned int idx, mfn_t *mfn)
 {
     struct ioreq_server *s;
     int rc;
 
     ASSERT(is_hvm_domain(d));
 
     rspin_lock(&d->ioreq_server.lock);